Venetian blind



VENETIAN BLINDS Filed Feb. 11, 1931 Patented Apr. 25, 1933 UNITED STATESPATENT? OFFICE IBM) J. BURNS, F SAGINAW, MICHIGAN, .ASSIGNOR TO COLUMBIAMILLS, INCORPO- RATED, OF SAGINAW, MICHIGAN, A CORPORATION OF NEW YORKVENETIAN BLIND Application filed February 11, 1931. Serial No. 514,952.

his invention relates to venetian blinds, and more particularly to thetype of blind having a plurality of slats, means for supporting theslats in spaced apart positions, together with the usual means foroperation of the parts, and it is the prime object of the invention toprovide means for, maintaining the slats of the blind in a predeterminedposition with relation to the window casing, preventing displacement dueto wind or any other reason, and still provide sufiicient play orendwise movement so that the operation of.the blind is free and easy,and also insuring more certain the raising and lowering.

Another object of the invention is to provide neat, sturdy andinexpensive means for.

permitting a limited endwise movement of the blind in the opening,andfor preventing the blind swinging back and forth like a curtain,striking and marring the window frame, with noise and rattle resultingtherefrom. A further object is to provide detachable means for lockingthe slats to'the guides, which can'be detached or attached regardless ofthe position of the slats, and which can be readily manipulated so thatthe entire blind structure can be dismounted when the slats aredetached.

the specification progresses, reference being had to the accompanyingdrawing in which I have shown tlm preferred embodiment of my invention,and in which like numerals indicate like parts throughout the severalviews thereof.

In the drawing. Fig. 1 is a fragmentary front elevation of a windowequipped with a venetian blind embodying the principles of my invention.Fig. 2 is an enlarged front elevation of one of'the guides ,with aglider in position thereon. r Fig. 3 is an enlarged part sectional viewtaken on the line 3-3 of Fig. 1 and showing the connection of the blindto the guide rail. Fig. 4.is a plan view showing a modified style ofglider bracket. 0 Fig. 5 is an enlarged part sectional view The aboveand other objects will appear as and 18 respectively, and side wings 19which showing an offset bracket, parts being broken away to show the keyslot in the slat.

F 1g. 6 is an enlarged detail view of an offset glider bracketillustrating the locking head in locked position, the dotted linesillustrating its removal.

Fig. 7 is. an isometric view showing a slightly modified construction.

Referring now to the drawing, the window frame or casing is indicated bythe numeral 5 and the venetian blind 6 is hung therein and includes alurality of spaced apart slats 7 secured toget er by means of flexiblestrips 8, and those slats can be tilted to exclude light and air, thetiltingmechanism not being shown as it forms no part of the presentinvention.

Vertically disposed sheet metal guide rails-9 are secured to the sidesof the window frame by means of screws (not shown) and are formed asclearly shown in Fig. 2 of the drawing, wings 10 extending laterallyfrom the main body, and a glider member 11 is v 'slidably mountedthereon, said glider comprising a flat preferably stamped body memberformed with inwardly turned leg sections 12. which engage and slide onthe guide wings 10, outwardlv 'rolled sections 13 are provided on theglider bracket. and a lug 14 is provided as shown. said l-ug beingpreferablv formed integral with the glider and acting as a stop in amanner to be presently described. A resilient clip 15 is also providedintermediate the length of thebody and is adapted to be actuated topermit the insertion orremoval of the locking member 16, said lockingmember being formed as clearly shown in Fig. 6. having end walls 17 whenin position, interlock with the turned portions 13 of the glider, anditwill be obvious that when said glider is engaged, that the stop '14limits the outward movement thereof, the resilient member 15 preventingits disengagement until it is sprung down to permit thelocking member tobe removed.

Acentrally disposed opening is provided in the face of the lockingmember and is adapted to receive the outer end of a pin member 20, theend being headed for securing said pin in position.

The in member 20 is formed as clearly shown 1n Fi 5 of the drawing, theinner end being substantially flat and rectangular in shape, and isshouldered as at 21 and for a purpose to be presently described.

A metal clip 22 is secured to the end of the slat as shown, and an 0ening 23 is provided in the end wall thereo and through which the shankof the pin extends, the slat being recessed as at 24 to permitof alimited lon-. gitudinal movement of the pin member there- 'in. Inwardlyturned ears 25 are punched in the clip as shown,'and when the clip isplaced in position these ears pierce the slat, the ends coming in"contact'with the opposite leg of the clip and are accordingly clinchedto secure it firmly in position.

It will of course be obvious that the location of the guide rails isdependent on the design of the window frame and the space available forattachment thereofyand naturally various shapes of gliders are necessaryto meet all conditlons, and in Figs. 5 and-6 of the drawing I have showna glider having a laterally projecting leg 26, and this is for use whereit is impossible to place the guides in direct alignment with the blind.Fig. 4 of the drawing shows another design of bracket, the lockingfeature however being exactly the same.- In Fig. 7 I have shown a slightmodification; in this construction, the resilient member comprises anindividual spring 27 which is secured in place by formmg the glider withears 28, which are then ressed over the lower end of the spring, this.is however, immaterial, as the principle is exactly the same.

From the foregoing description it will be obvious that I have perfecteda very simple, substantial, practical and neat looking attachment, whichis connectible to and disconnectible from the glider members in anyposition of the slats.

What I claim is: l

1. In a venetian blind having a plurality of movable slats, a guide railsecured to a window casing, a glider slidably mounted thereon, anddisconnectible securing means between said glider and movable slats, anddisconnectible in any position of saidslats.

2. In a venetian blind having a plurality of movable slats, a guide railsecured to a window casing, a glider slidably mounted thereon, a pinloosely mounted in the end of the blind slat, a locking member revolublymounted thereon, said member being disconnectible from said glider inany position of said slat, and resilient means for locking said memberon the glider. I

3. In a venetian blind having a plurality of movable slats, a guide railsecured to a window casing, a movable glider member associatedtherewith, a pin mounted in the end of the blind slat and having limitedendwise movement'therein, and a locking member revolubly mounted on theopposite end of the pin and separably engaging the said glider.

4. In a venetian blind having a plural' ity of movable slats, a guiderail secured to a window casing, a movable glider member associatedtherewith, removable securing means between said glider and one of saidslats, said means including a revoluble locking member havinginterlocking engagement with the glider, and disconnectible in anyposition of said slats.

5. In a venetian blind having a plurality of movable slats, a guide railsecured to a casing, a movable glider associated therewith, a pinmounted for endwise movement in said slat and provided with a revolublehead having interlocking detachable engagement with said glider, andresilient means on said glider for holding'said head in locked position.

6. In a venetian blind having a plurality of movable slats, a guide railsecured to a casing, a movable glider associated therewith, a pinmounted in the end of a blind slat, a looking member mounted on theprojecting end of the pin and having interlocking engagement with saidglider, and resilient means on the glider for holding said member inlocked position.

7. In a venetian blind having a plurality of movable slats, a guiderail, glider members slidably associated therewith, a pin having its oneend loosely mounted in said blind slat, a locking member revolublymounted on the opposite end and engageable with said glider, andresilient means on the glider for holding said member in lockedposition.

8. In a venetian blind having a plurality of movable slats, a guiderail, a movable ghder associated therewith, a pin mounted in the slatand projecting laterally therefrom, and a locking head revolubly mountedon the pm and adapted to detachably engage said glider member, said headbeing connectible to or detachable from the glider in any position ofthe slats.

9. In a venetian blind having a plurality of movable slats, a guiderail, movable glider member, said head being connectible to or on theblind slat and projecting from the end thereof, a locking head revolublymounted thereon and engageable with the glider member, a sto on sa1dglider, and resilient means spaced om said stop for holding said head inlocked position.-

In testimony whereof I hereunto afiix my signature.

FRED J. BURNS.

